diff --git a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/users/tests/test_forms.py b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/users/tests/test_forms.py
index 3b4a1210c..437829b25 100644
--- a/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/users/tests/test_forms.py
+++ b/{{cookiecutter.project_slug}}/{{cookiecutter.project_slug}}/users/tests/test_forms.py
@@ -1,4 +1,5 @@
 import pytest
+from django.utils.translation import ugettext_lazy as _
 
 from {{ cookiecutter.project_slug }}.users.forms import UserCreationForm
 from {{ cookiecutter.project_slug }}.users.tests.factories import UserFactory
@@ -37,3 +38,4 @@ class TestUserCreationForm:
         assert not form.is_valid()
         assert len(form.errors) == 1
         assert "username" in form.errors
+        assert form.errors["username"][0] == _("This username has already been taken.")